21719343

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1667}}^1$

素因数の和:1814

約数の個数: 16

約数和(自身を含む): 29943936

約数和(自身を除く): 8224593

約数列:

[1, 3, 43, 101, 129, 303, 1667, 4343, 5001, 13029, 71681, 168367, 215043, 505101, 7239781, 21719343]

約数ペア:

[(1, 21719343), (3, 7239781), (43, 505101), (101, 215043), (129, 168367), (303, 71681), (1667, 13029), (4343, 5001)]